Hach si792 T, Руководство пользователя, Страница: 9 / 116

Specifications
7
Data retention
Parameters and calibration data
> 10 years (EEPROM)
Passcodes
Modifiable according to FDA 21 CFR
Part 11 “Electronic Signatures”
(HART only)
Sensocheck
Monitoring of primary coil and its lines
for short circuit and of secondary and
its lines for open circuit
Sensor monitor
Direct display of measured values from
sensor for validation (resistance/
temperature)
Communication
HART communication
Digital communication by FSK
modulation of loop current, reading of
device identification, measured values,
status and messages, reading and
writing of parameters, start of product
calibration, signaling of configuration
changes according to FDA 21 CFR
Part 11.
Foundation Fieldbus (FF_H1)
Bus-powered device with constant
current consumption. Cyclic and acyclic
data exchange. 1 resource block,
1 transducer block, 3 analog input
function blocks (switchable:
conductivity, concentration, salinity,
temperature, cell constant)
Execution time: 50 ms
Certified to ITK 4.6
Physical interface: to IEC 1158-2
Address range: 017 to 246